public ServiceInfoData(
QlikViewServiceInfo serviceInfo,
ServiceStartMode startMode,
int?pid,
string productVersion,
string fileVersion,
DateTime?exeCreationDateTime)
{
ServiceInfo = serviceInfo;
StartMode = startMode;
Pid = pid;
ProductVersion = productVersion;
FileVersion = fileVersion;
ExeCreationDateTime = exeCreationDateTime;
}
public bool IsServiceInstalled(QlikViewServiceInfo serviceInfo)
{
switch (GetServiceInfoData(serviceInfo).StartMode)
{
case ServiceStartMode.NotInstalled:
case ServiceStartMode.Unknown:
case ServiceStartMode.Disabled:
return(false);
case ServiceStartMode.Boot:
case ServiceStartMode.System:
case ServiceStartMode.Auto:
case ServiceStartMode.Manual:
return(true);
default:
throw new ArgumentOutOfRangeException();
}
}
public ServiceInfoData GetServiceInfoData(QlikViewServiceInfo serviceInfo)
{
try
{
VerboseLog($"Checking if service '{serviceInfo.DisplayName}' is installed...");
var query = new SelectQuery($"SELECT StartMode, ProcessId, PathName FROM Win32_Service WHERE Name='{serviceInfo.ServiceName}'");
using (var searcher = new ManagementObjectSearcher(query))
{
using (ManagementObjectCollection result = searcher.Get())
{
using (var enumerator = result.GetEnumerator())
{
if (!enumerator.MoveNext())
{
VerboseLog($"Service '{serviceInfo.DisplayName}' is NOT installed");
return(new ServiceInfoData(serviceInfo, ServiceStartMode.NotInstalled, null, null, null, null));
}
string startModeString = enumerator.Current.Properties["StartMode"].Value.ToString();
VerboseLog($"Service '{serviceInfo.DisplayName}' is installed, StartMode='{startModeString}'");
ServiceStartMode serviceStartMode;
if (!Enum.TryParse(startModeString, true, out serviceStartMode))
{
serviceStartMode = ServiceStartMode.Unknown;
}
string processIdString = enumerator.Current.Properties["ProcessId"].Value.ToString();
uint unsignedProcessId;
uint.TryParse(processIdString, out unsignedProcessId);
int processId = unchecked ((int)unsignedProcessId);
string productVersion = null;
string fileVersion = null;
DateTime?exeCreationDateTime = null;
string pathName = enumerator.Current.Properties["PathName"].Value.ToString().Trim('\"');
if (File.Exists(pathName))
{
try
{
FileVersionInfo versionInfo = FileVersionInfo.GetVersionInfo(pathName);
productVersion = versionInfo.ProductVersion;
fileVersion = versionInfo.FileVersion;
}
catch
{
}
try
{
exeCreationDateTime = File.GetCreationTimeUtc(pathName);
}
catch
{
}
}
return(new ServiceInfoData(
serviceInfo,
serviceStartMode,
processId,
productVersion,
fileVersion,
exeCreationDateTime));
}
}
}
}
catch (Exception ex)
{
_logger.Add($"Error when determining if service '{serviceInfo.DisplayName}' is installed {ex.GetNestedMessages()}.");
return(new ServiceInfoData(serviceInfo, ServiceStartMode.Unknown, null, null, null, null));
}
}